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Realme 15T vs Samsung Galaxy A21 comparison

 Compare Realme 15T
Realme 15T
Compare Samsung Galaxy A21
Samsung Galaxy A21
key specs
Display6.57-inch6.50-inch
ProcessorMediaTek Dimensity 6400-
Front Camera50-megapixel 13-megapixel
Rear Camera50-megapixel + 2-megapixel 16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM8GB, 12GB3GB
Storage128GB, 256GB32GB
Battery Capacity7000mAh4000mAh
OSAndroid 15Android 10
Resolution1080x2372 pixels-
general
BrandRealmeSamsung
Model15TGalaxy A21
Release dateSeptember 2, 2025April 8, 2020
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Thickness7.79-
Weight (g)181.00-
IP ratingIP69-
Battery capacity (mAh)70004000
Removable batteryNoNo
Fast chargingSuper VOOCProprietary
ColoursFlowing Silver, Silk Blue, Suit TitaniumBlack
Wireless charging-No
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.576.50
TouchscreenYesYes
Resolution1080x2372 pixels-
hardware
Processorocta-core-
Processor makeMediaTek Dimensity 6400MediaTek Helio P35 (MT6765)
RAM8GB, 12GB3GB
Internal storage128GB, 256GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2000512
Dedicated microSD slotNo-
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras2-
Rear flashYesYes
Front camera50-megapixel (f/2.4)13-megapixel
No. of Front Cameras1-
Rear autofocus-Yes
Pop-Up Camera-No
software
Operating systemAndroid 15Android 10
SkinRealme UI 6-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.30Yes
InfraredYes-
USB OTGYes-
USB Type-CYes-
HeadphonesType-C-
Number of SIMs2-
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIM-
sim 2
SIM TypeNano-SIM-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-
GyroscopeYes-
Fingerprint sensor-Yes
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